L9945 The STMicroelectronics L9945 is a Smart Power IC designed for power management applications. It features a wide input voltage range and surface mount packaging.
Mfr Part #:

L9945

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L9945 is a Smart Power IC designed for power management applications. It features a wide input voltage range and surface mount packaging.
✓ Total Stock: 3,000 pcs
$ Price Range: $0.75

L9945 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request On Request On Request On Request

L9945 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Automotive Grade
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Supplier Device Package
Voltage
Voltage Supply

L9945 Description

Short technical summary and product information.

The STMicroelectronics L9945 is a specialized Integrated Circuit (IC) designed for power management, specifically within automotive applications. This Smart Power IC operates across a dual voltage supply range, accommodating both low voltage (3.8V to 5.5V) and high voltage (4.5V to 36V) requirements. It is housed in a 64-TQFP Exposed Pad package, measuring 10x10mm, which facilitates efficient heat dissipation. The mounting type is surface mount, making it suitable for modern PCB designs.

 

Classified as automotive grade and meeting the AEC-Q100 standard, the L9945 is built for reliability in demanding environments. Its RoHS3 compliance indicates adherence to environmental regulations. The component is active and intended for new, original applications requiring robust power management solutions. The exposed pad on the TQFP package enhances thermal performance, crucial for power-intensive automotive systems.

L9945 Quick Information

Product Type: Smart Power IC
Series: AEC-Q100
Canonical Name: L9945 Smart Power IC
Subcategory: Power Management IC

L9945 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L9945 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

L9945 Features

  • Smart Power IC for automotive applications.
  • Wide dual voltage supply range.
  • 64-TQFP-EP surface mount package.
  • Automotive grade, AEC-Q100 qualified.
  • RoHS3 compliant.

L9945 Applications

  • Ideal for automotive power management.
  • Suitable for high-reliability systems.
  • Designed for robust voltage regulation.
  • Compact surface mount designs.

L9945 FAQs

3 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the L9945?

The L9945 operates with a dual voltage supply range of 3.8V to 5.5V and 4.5V to 36V.

What type of package does the L9945 come in?

The L9945 is available in a 64-TQFP Exposed Pad package.

How is the L9945 mounted?

The L9945 is designed for surface mount installation.

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